JVM_IR KT-43877 fix generic signatures for SAM-converted lambdas

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/IrBasedDescriptors.kt

@@ -1075,11 +1075,13 @@ private fun makeKotlinType(
                 classDescriptor.defaultType.replace(newArguments = kotlinTypeArguments).makeNullableAsSpecified(hasQuestionMark)
             } catch (e: Throwable) {
                 throw RuntimeException(
-                    "Classifier: $classDescriptor\n" +
+                    "Classifier: ${classifier.owner.render()}\n" +
                             "Type parameters:\n" +
                             classDescriptor.defaultType.constructor.parameters.withIndex()
                                 .joinToString(separator = "\n") {
-                                    "${it.index}: ${(it.value as IrBasedTypeParameterDescriptor).owner.render()}"
+                                    val irTypeParameter = (it.value as IrBasedTypeParameterDescriptor).owner
+                                    "${it.index}: ${irTypeParameter.render()} " +
+                                            "of ${irTypeParameter.parent.render()}"
                                 } +
                             "\nType arguments:\n" +
                             arguments.withIndex()

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/types/irTypes.kt

@@ -18,8 +18,10 @@ import org.jetbrains.kotlin.ir.symbols.IrTypeParameterSymbol
 import org.jetbrains.kotlin.ir.types.impl.*
 import org.jetbrains.kotlin.ir.util.defaultType
 import org.jetbrains.kotlin.ir.util.fqNameWhenAvailable
+import org.jetbrains.kotlin.ir.util.isAnonymousObject
 import org.jetbrains.kotlin.ir.util.isPropertyAccessor
 import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.name.SpecialNames
 import org.jetbrains.kotlin.types.*
 import org.jetbrains.kotlin.types.typeUtil.makeNotNullable
 import org.jetbrains.kotlin.types.typeUtil.makeNullable
@@ -177,6 +179,10 @@ val IrClass.typeConstructorParameters: Sequence<IrTypeParameter>
                         // Ideally this should be fixed in FE.
                         null
                     }
+                    current.isAnonymousObject -> {
+                        // Anonymous classes don't capture type parameters.
+                        null
+                    }
                     parent is IrClass && current is IrClass && !current.isInner ->
                         null
                     else ->